import matplotlib.pyplot as plt
x_values = list(range(1, 100))
y_values = [x*2 for x in x_values]
plt.scatter(x_values, y_values, c=y_values, cmap=plt.cm.Blues,
            edgecolor="none", s=4)
plt.title("Square Numbers", fontsize=24)
plt.xlabel("Value", fontsize=14)
plt.ylabel("Square of Value", fontsize=14)
plt.tick_params(axis="both", which="major", labelsize=14)
plt.axis([0, 100, 0, 200])
plt.savefig("squares_plot.png", bbox_inches="tight")
plt.show()